Home / 11,810,826-16,298,940.10-6,378,318

Finding the Fourth Proportional to 11,810,826, 16,298,940.10 and 6,378,318

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Solution

The fourth proportional to 11,810,826, 16,298,940.10 and 6,378,318 is: 8,802,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,826 : 16,298,940.10 = 6,378,318 : x
  2. Step 2: Convert to fraction form
    11,810,826/16,298,940.10 = 6,378,318/x
  3. Step 3: Cross multiply
    11,810,826x = 16,298,940.10 × 6,378,318
  4. Step 4: Simplify right side
    11,810,826x = 103,959,823,020,751.80
  5. Step 5: Solve for x
    x = 103,959,823,020,751.80/11,810,826
  6. Step 6: Final answer
    x = 8,802,078.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.